8-oxo-7-phenyl-7,8-dihydro-pyrido[2,3-d]pyridazine-5-carboxylic acid;7,8-dihydro-8-oxo-7-phenyl-pyrido[2,3-d]pyridazine-5-carboxylic acid;7-Phenyl-8-oxo-7,8-dihydro-pyrido<2,3-d>pyridazin-5-carbonsaeure;RW3992;
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